Warning: Permanently added '10.128.1.20' (ECDSA) to the list of known hosts. 2020/06/11 17:21:08 parsed 1 programs 2020/06/11 17:21:12 executed programs: 0 login: panic: pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd806d7f2500+16 0x0!=0x60702b965ddf37af Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 326209 13391 77 0x100010 0x80 0 dhclient db_enter() at db_enter+0x18 panic(ffffffff823e3251) at panic+0x15c pool_cache_get(ffffffff8290a418) at pool_cache_get+0x323 pool_get(ffffffff8290a418,2) at pool_get+0x91 m_get(2,3) at m_get+0x4c sbappendaddr(fffffd806f686000,fffffd806f686088,ffffffff82604030,fffffd806f2bf300,0) at sbappendaddr+0x2e9 rtm_sendup(fffffd806f686000,fffffd806f2bf300,0) at rtm_sendup+0xef route_input(fffffd806f2bf300,0,2) at route_input+0x489 rtm_send(fffffd807ea18620,2,0,0) at rtm_send+0x18d rtdeletemsg(fffffd807ea18620,ffff800000ac3000,0) at rtdeletemsg+0x199 rt_ifa_purge(ffff800000a9fe00) at rt_ifa_purge+0x104 in_purgeaddr(ffff800000a9fe00) at in_purgeaddr+0x132 in_ifdetach(ffff800000ac3000) at in_ifdetach+0x74 if_detach(ffff800000ac3000) at if_detach+0x140 end trace frame: 0xffff800020ee2b90, count: 0 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd806d7f2500+16 0x0!=0x60702b965ddf37af ddb{1}> trace db_enter() at db_enter+0x18 panic(ffffffff823e3251) at panic+0x15c pool_cache_get(ffffffff8290a418) at pool_cache_get+0x323 pool_get(ffffffff8290a418,2) at pool_get+0x91 m_get(2,3) at m_get+0x4c sbappendaddr(fffffd806f686000,fffffd806f686088,ffffffff82604030,fffffd806f2bf300,0) at sbappendaddr+0x2e9 rtm_sendup(fffffd806f686000,fffffd806f2bf300,0) at rtm_sendup+0xef route_input(fffffd806f2bf300,0,2) at route_input+0x489 rtm_send(fffffd807ea18620,2,0,0) at rtm_send+0x18d rtdeletemsg(fffffd807ea18620,ffff800000ac3000,0) at rtdeletemsg+0x199 rt_ifa_purge(ffff800000a9fe00) at rt_ifa_purge+0x104 in_purgeaddr(ffff800000a9fe00) at in_purgeaddr+0x132 in_ifdetach(ffff800000ac3000) at in_ifdetach+0x74 if_detach(ffff800000ac3000) at if_detach+0x140 tun_clone_destroy(ffff800000ac3000) at tun_clone_destroy+0x1f2 tun_dev_close(5d00,7) at tun_dev_close+0x160 spec_close(ffff800020ee2c70) at spec_close+0x311 VOP_CLOSE(fffffd807ea6e278,7,fffffd807f7bfb40,ffff800020dec4e8) at VOP_CLOSE+0xc0 vn_closefile(fffffd806cf80990,ffff800020dec4e8) at vn_closefile+0xd7 fdrop(fffffd806cf80990,ffff800020dec4e8) at fdrop+0xc2 closef(fffffd806cf80990,ffff800020dec4e8) at closef+0x11c fdfree(ffff800020dec4e8) at fdfree+0x101 exit1(ffff800020dec4e8,0,9,1) at exit1+0x32c postsig(ffff800020dec4e8,9) at postsig+0x4ed userret(ffff800020dec4e8) at userret+0x199 syscall(ffff800020ee30f0) at syscall+0x55f Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbae10, count: -27 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020ee23a0 rbx 0xffff800020ee2450 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff8206186f kprintf+0x16f r9 0x1 r10 0x2 r11 0x58e84c74d218f187 r12 0x3000000008 r13 0xffff800020ee23b0 r14 0x100 r15 0x1 rip 0xffffffff81194858 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020ee2390 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=134723 stat=onproc flags process=a proc=2000 pri=32, usrpri=53, nice=20 forw=0xffffffffffffffff, list=0xffff800020dec9c8,0xffffffff8290df90 process=0xffff800020e00f70 user=0xffff800020ede000, vmspace=0xfffffd807efffa10 estcpu=3, cpticks=2, pctcpu=0.1 user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 29303 80044 63658 0 3 0x82 thrsleep syz-execprog 29303 266101 63658 0 3 0x4000082 thrsleep syz-execprog 29303 355988 63658 0 3 0x4000082 thrsleep syz-execprog 29303 219885 63658 0 3 0x4000082 thrsleep syz-execprog 29303 282523 63658 0 3 0x4000082 wait syz-execprog 29303 269797 63658 0 3 0x4000082 thrsleep syz-execprog 29303 150438 63658 0 3 0x4000082 thrsleep syz-execprog 29303 80002 63658 0 3 0x4000082 kqread syz-execprog 63658 388881 17900 0 3 0x10008a pause ksh 17900 135154 94339 0 3 0x92 select sshd 18035 31641 1 0 3 0x100083 ttyin getty 94339 415146 1 0 3 0x80 select sshd 74195 386948 67912 74 3 0x100092 bpf pflogd 67912 443262 1 0 3 0x80 netio pflogd 9809 483883 30611 73 3 0x100090 kqread syslogd 30611 90057 1 0 3 0x100082 netio syslogd 13391 326209 1 77 7 0x100090 dhclient 8802 430444 1 0 3 0x80 poll dhclient 8320 473587 0 0 3 0x14200 bored smr 7447 299071 0 0 3 0x14200 pgzero zerothread 54353 31134 0 0 3 0x14200 aiodoned aiodoned 93843 269223 0 0 3 0x14200 syncer update 28466 204655 0 0 3 0x14200 cleaner cleaner 65545 308703 0 0 3 0x14200 reaper reaper 22843 414428 0 0 3 0x14200 pgdaemon pagedaemon 80318 343198 0 0 3 0x14200 bored crynlk 9822 289992 0 0 3 0x14200 bored crypto 22589 6972 0 0 3 0x40014200 acpi0 acpi0 17467 5462 0 0 3 0x40014200 idle1 64296 477286 0 0 3 0x14200 bored softnet 12684 231502 0 0 2 0x14200 systqmp 74464 472581 0 0 3 0x14200 bored systq 97947 423536 0 0 3 0x40014200 bored softclock 54940 45775 0 0 3 0x40014200 idle0 1 275710 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9465 6396K 6396K 78643K 10560 0 pcb 13 8K 8K 78643K 13 0 rtable 77 2K 2K 78643K 163 0 ifaddr 37 9K 9K 78643K 39 0 counters 41 33K 33K 78643K 41 0 ioctlops 0 0K 4K 78643K 1468 0 mount 1 1K 1K 78643K 1 0 vnodes 1183 74K 75K 78643K 1188 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 2 4K 12K 78643K 18 0 proc 59 63K 83K 78643K 398 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 22 1K 1K 78643K 22 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 19 95K 95K 78643K 19 0 exec 0 0K 1K 78643K 197 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 72 11K 12K 78643K 949 0 UVM aobj 2 2K 2K 78643K 2 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 7 0K 0K 78643K 7 0 temp 29 3841K 3905K 78643K 1868 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 4 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 17 0 15 1 0 1 1 0 8 0 rtentry 112 34 0 4 1 0 1 1 0 8 0 unpcb 120 29 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 2 1 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 280 34 0 28 1 0 1 1 0 8 0 nd6 48 3 0 0 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 11 0 0 1 0 1 1 0 8 0 pfstkey 112 11 0 0 1 0 1 1 0 8 0 pfstate 328 11 0 0 1 0 1 1 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 145 0 2 10 0 10 10 0 8 0 art_table 32 146 0 2 2 0 2 2 0 8 0 art_node 16 33 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1424 0 22 88 0 88 88 0 8 0 ffsino 272 1424 0 22 94 0 94 94 0 8 0 nchpl 144 1642 0 38 60 0 60 60 0 8 0 uvmvnodes 72 1434 0 0 27 0 27 27 0 8 0 vnodes 208 1434 0 0 76 0 76 76 0 8 0 namei 1024 4211 0 4211 1 0 1 1 0 8 1 percpumem 16 31 0 0 1 0 1 1 0 8 0 scxspl 192 4370 0 4370 2 1 1 2 0 8 1 plimitpl 152 15 0 8 1 0 1 1 0 8 0 sigapl 424 241 0 212 4 0 4 4 0 8 0 knotepl 112 47 0 38 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipelkpl 48 77 0 71 1 0 1 1 0 8 0 pipepl 120 154 0 143 1 0 1 1 0 8 0 fdescpl 496 226 0 212 3 0 3 3 0 8 0 filepl 152 1116 0 1060 3 0 3 3 0 8 0 lockfpl 104 5 0 4 1 0 1 1 0 8 0 lockfspl 48 3 0 2 1 0 1 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 62 0 53 1 0 1 1 0 8 0 zombiepl 144 213 0 212 2 1 1 1 0 8 0 processpl 984 241 0 212 5 0 5 5 0 8 1 procpl 624 248 0 212 3 0 3 3 0 8 0 sockpl 400 80 0 62 2 0 2 2 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 56 0 0 7 0 7 7 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 103 0 0 5 0 5 5 0 8 0 bufpl 280 3047 0 133 209 0 209 209 0 8 0 anonpl 16 22534 0 20931 14 2 12 12 0 124 4 amapchunkpl 152 799 0 733 5 0 5 5 0 158 1 amappl16 192 134 0 103 2 0 2 2 0 8 0 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 33 0 27 1 0 1 1 0 8 0 amappl13 168 23 0 20 2 1 1 1 0 8 0 amappl12 160 7 0 6 2 1 1 1 0 8 0 amappl11 152 56 0 41 1 0 1 1 0 8 0 amappl10 144 19 0 17 1 0 1 1 0 8 0 amappl9 136 232 0 230 1 0 1 1 0 8 0 amappl8 128 268 0 262 1 0 1 1 0 8 0 amappl7 120 123 0 111 1 0 1 1 0 8 0 amappl6 112 22 0 20 2 1 1 1 0 8 0 amappl5 104 134 0 119 1 0 1 1 0 8 0 amappl4 96 488 0 463 1 0 1 1 0 8 0 amappl3 88 104 0 99 1 0 1 1 0 8 0 amappl2 80 905 0 850 2 0 2 2 0 8 0 amappl1 72 15651 0 15236 23 5 18 18 0 8 8 amappl 80 479 0 451 1 0 1 1 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 226 0 212 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 226 0 212 1 0 1 1 0 8 0 vmmpekpl 168 6359 0 6333 2 0 2 2 0 8 0 vmmpepl 168 32610 0 31705 80 8 72 72 0 357 30 vmsppl 368 225 0 212 2 0 2 2 0 8 0 pdppl 4096 459 0 424 6 0 6 6 0 8 1 pvpl 32 114357 0 110392 105 1 104 104 0 265 70 pmappl 232 225 0 212 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 228 0 3 7 0 7 7 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff8272fff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff828b3540) at __mp_lock+0x127 __mp_acquire_count(ffffffff828b3540,2) at __mp_acquire_count+0x51 mi_switch() at mi_switch+0x392 sleep_finish(ffff800020e27360,1) at sleep_finish+0x113 sleep_finish_all(ffff800020e27360,1) at sleep_finish_all+0x32 tsleep(ffffffff829035cc,118,ffffffff8244731d,41df49) at tsleep+0x1cc doppoll(ffff800020decc38,7f7ffffe9c50,3,ffff800020e274f8,0,ffff800020e275b0) at doppoll+0x57e sys_poll(ffff800020decc38,ffff800020e27560,ffff800020e275b0) at sys_poll+0xa6 syscall(ffff800020e27630) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe9c30, count: 2 ddb{0}> trace x86_ipi_db(ffffffff8272fff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff828b3540) at __mp_lock+0x127 __mp_acquire_count(ffffffff828b3540,2) at __mp_acquire_count+0x51 mi_switch() at mi_switch+0x392 sleep_finish(ffff800020e27360,1) at sleep_finish+0x113 sleep_finish_all(ffff800020e27360,1) at sleep_finish_all+0x32 tsleep(ffffffff829035cc,118,ffffffff8244731d,41df49) at tsleep+0x1cc doppoll(ffff800020decc38,7f7ffffe9c50,3,ffff800020e274f8,0,ffff800020e275b0) at doppoll+0x57e sys_poll(ffff800020decc38,ffff800020e27560,ffff800020e275b0) at sys_poll+0xa6 syscall(ffff800020e27630) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe9c30, count: -13 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 panic(ffffffff823e3251) at panic+0x15c pool_cache_get(ffffffff8290a418) at pool_cache_get+0x323 pool_get(ffffffff8290a418,2) at pool_get+0x91 m_get(2,3) at m_get+0x4c sbappendaddr(fffffd806f686000,fffffd806f686088,ffffffff82604030,fffffd806f2bf300,0) at sbappendaddr+0x2e9 rtm_sendup(fffffd806f686000,fffffd806f2bf300,0) at rtm_sendup+0xef route_input(fffffd806f2bf300,0,2) at route_input+0x489 rtm_send(fffffd807ea18620,2,0,0) at rtm_send+0x18d rtdeletemsg(fffffd807ea18620,ffff800000ac3000,0) at rtdeletemsg+0x199 rt_ifa_purge(ffff800000a9fe00) at rt_ifa_purge+0x104 in_purgeaddr(ffff800000a9fe00) at in_purgeaddr+0x132 in_ifdetach(ffff800000ac3000) at in_ifdetach+0x74 if_detach(ffff800000ac3000) at if_detach+0x140 end trace frame: 0xffff800020ee2b90, count: 0 ddb{1}> trace db_enter() at db_enter+0x18 panic(ffffffff823e3251) at panic+0x15c pool_cache_get(ffffffff8290a418) at pool_cache_get+0x323 pool_get(ffffffff8290a418,2) at pool_get+0x91 m_get(2,3) at m_get+0x4c sbappendaddr(fffffd806f686000,fffffd806f686088,ffffffff82604030,fffffd806f2bf300,0) at sbappendaddr+0x2e9 rtm_sendup(fffffd806f686000,fffffd806f2bf300,0) at rtm_sendup+0xef route_input(fffffd806f2bf300,0,2) at route_input+0x489 rtm_send(fffffd807ea18620,2,0,0) at rtm_send+0x18d rtdeletemsg(fffffd807ea18620,ffff800000ac3000,0) at rtdeletemsg+0x199 rt_ifa_purge(ffff800000a9fe00) at rt_ifa_purge+0x104 in_purgeaddr(ffff800000a9fe00) at in_purgeaddr+0x132 in_ifdetach(ffff800000ac3000) at in_ifdetach+0x74 if_detach(ffff800000ac3000) at if_detach+0x140 tun_clone_destroy(ffff800000ac3000) at tun_clone_destroy+0x1f2 tun_dev_close(5d00,7) at tun_dev_close+0x160 spec_close(ffff800020ee2c70) at spec_close+0x311 VOP_CLOSE(fffffd807ea6e278,7,fffffd807f7bfb40,ffff800020dec4e8) at VOP_CLOSE+0xc0 vn_closefile(fffffd806cf80990,ffff800020dec4e8) at vn_closefile+0xd7 fdrop(fffffd806cf80990,ffff800020dec4e8) at fdrop+0xc2 closef(fffffd806cf80990,ffff800020dec4e8) at closef+0x11c fdfree(ffff800020dec4e8) at fdfree+0x101 exit1(ffff800020dec4e8,0,9,1) at exit1+0x32c postsig(ffff800020dec4e8,9) at postsig+0x4ed userret(ffff800020dec4e8) at userret+0x199 syscall(ffff800020ee30f0) at syscall+0x55f Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbae10, count: -27 ddb{1}>